Hazardous Location Adaptabel DC Bells Diode Polarized, Fire Alarm
The Edwards hazardous location fire bell is the finest heavy duty hazardous location bell available today. It delivers a distinctive, clear ring that is free of mechanical clatter. Vibrating bells produce a long, continuous ringing sound. The striker continues to rapidly strike the gong as long as current is applied.
Link to this product
For web page (with image):
- AE Bulletin, Electromechanical Noise Part II
Tips on dealing with electromechanical devices, and the electrical noise they can generate on fire alarm circuits.